"Amazon Aurora is a MySQL - and PostgreSQL - compatible enterprise-class database, starting at <$1/day. - Up to 5 times the throughput of MySQL and 3 times the throughput of PostgreSQL - Up to 64TiB of auto-scaling SSD storage - 6-way replication across three Availability Zones - Up to 15 Read Replicas with sub-10ms replica lag - Automatic monitoring and failover in less than 30 seconds"

HiYes its effectively the same thing and I think there is a free tier if I am not much mistaken. Amazon RDS is generally great, the service when/if you need it is excellent and they have a fair few experts to ensure everything runs smoothly.